Cholinergic modulation of the resonance properties of stellate cells in layer II of medial entorhinal cortex.

abstract：:Vibration reduces the amplitudes of the tendon jerk response and the Hoffmann and stretch reflexes in the muscle exposed to the vibration, yet does not alter the time to task failure when the task involves exerting a submaximal force against a rigid restraint. Because the amplitude of the stretch reflex is greater whe...

journal_title：Journal of neurophysiology

authors： Mottram CJ,Maluf KS,Stephenson JL,Anderson MK,Enoka RM

更新日期：2006-02-01 00:00:00

abstract：:1. Responses to innocuous and noxious mechanical and thermal stimuli were recorded from 90 neurons in the gracile nucleus of anesthetized cats. Cells were tested by antidromic activation for projections to the contralateral ventrobasal thalamus. 2. Cells were characterized broadly by their responses to mechanical stim...

journal_title：Journal of neurophysiology

authors： Cliffer KD,Hasegawa T,Willis WD

更新日期：1992-09-01 00:00:00

abstract：:The medial-olivocochlear (MOC) acoustic reflex is thought to provide frequency-specific feedback that adjusts the gain of cochlear amplification, but little is known about how frequency specific the reflex actually is. We measured human MOC tuning through changes in stimulus frequency otoacoustic emissions (SFOAEs) fr...

journal_title：Journal of neurophysiology

authors： Lilaonitkul W,Guinan JJ Jr

更新日期：2012-03-01 00:00:00

abstract：:We introduce a new method to unveil the network connectivity among dozens of neurons in brain slice preparations. While synaptic inputs were whole cell recorded from given postsynaptic neurons, the spatiotemporal firing patterns of presynaptic neuron candidates were monitored en masse with functional multineuron calci...

journal_title：Journal of neurophysiology

authors： Sasaki T,Minamisawa G,Takahashi N,Matsuki N,Ikegaya Y

更新日期：2009-07-01 00:00:00

abstract：:1. The aim of this study was to examine the nature of motoneuron firing-rate modulation in type-identified motor units during smoothly graded contractions of the cat medial gastrocnemius (MG) muscle evoked by stimulation of the mesencephalic locomotor region (MLR). Motoneuron discharge patterns, firing rates, and the ...

journal_title：Journal of neurophysiology

authors： Tansey KE,Botterman BR

更新日期：1996-01-01 00:00:00

abstract：:1. The kinetic properties of embryonic Xenopus spinal cord neuron N-methyl-D-aspartate (NMDA)-activated receptors (NMDAR) were examined at the single-channel level. These receptors have a main conductance state of 50 pS and make occasional sojourns to a subconductance level of approximately 40 pS. The open channel lif...

journal_title：Journal of neurophysiology

authors： Zhang Y,Auerbach A

更新日期：1995-07-01 00:00:00

abstract：:The responses of cortical neurons to repeated presentation of a stimulus are highly variable, yet correlated. These "noise correlations" reflect a low-dimensional structure of population dynamics. Here, we examine noise correlations in 22,705 pairs of neurons in primary visual cortex (V1) of anesthetized cats, during ...

journal_title：Journal of neurophysiology

authors： Schulz DP,Sahani M,Carandini M

更新日期：2015-08-01 00:00:00

abstract：:1. The purpose of this study is to analyze the kinematics of stepping from the point of view of limb control by attempting to dissociate the various neuronal and mechanical factors that shape actual movements observed experimentally. The cat hindlimb, like the primate arm, is a multijointed mechanical system with redu...

journal_title：Journal of neurophysiology

authors： Shen L,Poppele RE

更新日期：1995-12-01 00:00:00

abstract：:A previous neurophysiological investigation demonstrated an increase in functional projections of expiratory bulbospinal neurons (EBSNs) in the segment above a chronic lateral thoracic spinal cord lesion that severed their axons. We have now investigated how this plasticity might be manifested in thoracic motoneurons ...

journal_title：Journal of neurophysiology

authors： Ford TW,Anissimova NP,Meehan CF,Kirkwood PA

更新日期：2016-01-01 00:00:00

abstract：:We previously reported that neurons in the mediodorsal thalamic nucleus (MD) are topographically organized and express spatial and nonspatial coding properties similar to those of the prefrontal areas with which they are connected. In the course of mapping the dorsal thalamus, we also studied neurons in a subset of th...

journal_title：Journal of neurophysiology

authors： Tanibuchi I,Goldman-Rakic PS

更新日期：2005-01-01 00:00:00

abstract：:Falls during walking are a major cause of poststroke injury, and walking faster may decrease the ability to recover following a gait perturbation. We compared gait stability between high-functioning poststroke individuals and controls and evaluated the effect of gait speed on gait stability. Ten stroke subjects and te...

journal_title：Journal of neurophysiology

authors： Krasovsky T,Lamontagne A,Feldman AG,Levin MF

更新日期：2013-01-01 00:00:00

abstract：:Unitary excitatory (EPSP) and inhibitory (IPSP) postsynaptic potentials (PSPs) were evoked between neurons in Rexed's laminae (L)II-V of spinal slices from young hamsters (7-24 days old) at 27°C using paired whole cell recordings. Laminar differences in synaptic efficacy were observed: excitatory connections were more...

journal_title：Journal of neurophysiology

authors： Zhang W,Schneider SP

更新日期：2011-06-01 00:00:00

abstract：:Retinal Müller cells are highly permeable to potassium as a consequence of their intrinsic membrane properties. Therefore these cells are able to play an important role in maintaining potassium homeostasis in the vertebrate retina during light-induced neuronal activity. Polyamines and other factors present in Müller c...

journal_title：Journal of neurophysiology

authors： Solessio E,Rapp K,Perlman I,Lasater EM

更新日期：2001-04-01 00:00:00

abstract：:Multi electrode recordings of neuronal activity provide an overwhelming amount of data that is often difficult to analyze and interpret. Although various methods exist for treating multielectrode datasets quantitatively, there is a particularly prominent lack of techniques that enable a quick visual exploration of suc...

journal_title：Journal of neurophysiology

authors： Jurjut OF,Nikolić D,Pipa G,Singer W,Metzler D,Mureşan RC

更新日期：2009-12-01 00:00:00

abstract：:In primates, dorsolateral areas of the prefrontal cortex (PFC) play a major role in visuospatial working memory. To examine the functional organization of the PFC for representing visuospatial working memory, we produced reversible local inactivation, with the local injection of muscimol (5 microg, 1 microl), at vario...

journal_title：Journal of neurophysiology

authors： Sawaguchi T,Iba M

更新日期：2001-10-01 00:00:00

abstract：:1. Biventer cervicis (BC) is an anatomically complex muscle that is divided by tendinous inscriptions into five in-series compartments of motor units. We have analyzed the fiber architecture and fiber-type composition of these different compartments using microdissection and histochemical methods. 2. BC narrows as it ...

journal_title：Journal of neurophysiology

authors： Richmond FJ,Armstrong JB

更新日期：1988-07-01 00:00:00

abstract：:Successful negotiation of obstacles during walking relies on the integration of visual information about the environment with ongoing locomotor commands. When information about the body and the environment is removed through occlusion of the lower visual field, individuals increase downward head pitch angle, reduce fo...

journal_title：Journal of neurophysiology

authors： Kim A,Kretch KS,Zhou Z,Finley JM

更新日期：2018-08-01 00:00:00

abstract：:The development of modern neuroscience tools is critical for deciphering brain circuit organization and function. An important aspect for technical development is to enhance each technique's advantages and compensate for limitations. We developed a high-precision and fast functional mapping technique in brain slices t...

journal_title：Journal of neurophysiology

authors： Xu X,Olivas ND,Levi R,Ikrar T,Nenadic Z

更新日期：2010-04-01 00:00:00

abstract：:Synaptic plasticity in the amygdala is thought to underlie aversive or rewarding learning and emotional memories. In this study, different mechanisms were found to underlie synaptic plasticity in lateral (LA) and basolateral (BLA) amygdala pathways to the primary output nucleus of the amygdala, the central amygdala (C...

journal_title：Journal of neurophysiology

authors： Fu Y,Shinnick-Gallagher P

更新日期：2005-05-01 00:00:00

abstract：:Outward K+ currents were recorded using a whole cell patch-clamp configuration, from acutely dissociated adult rat cutaneous afferent dorsal root ganglion (DRG) neurons (L4 and L5) identified by retrograde labeling with Fluoro-gold. Recordings were obtained 16-24 h after dissociation from cells between 39 and 49 mm in...

journal_title：Journal of neurophysiology

authors： Everill B,Rizzo MA,Kocsis JD

更新日期：1998-04-01 00:00:00

abstract：:This research was guided by the working hypothesis that the aging auditory system progressively loses its ability to process rapid acoustic transients efficiently, and in elderly listeners, this results in difficulties in speech perception. Neural correlates of age-related deficits in temporal processing were investig...

journal_title：Journal of neurophysiology

authors： Walton JP,Simon H,Frisina RD

更新日期：2002-08-01 00:00:00

abstract：:Neurons in the medial superior olive (MSO) are tuned to the interaural time difference (ITD) of sound arriving at the two ears. MSO neurons evoke a strongest response at their best delay (BD), at which the internal delay between bilateral inputs to MSO matches the external ITD. We performed extracellular recordings in...

journal_title：Journal of neurophysiology

authors： Day ML,Semple MN

更新日期：2011-10-01 00:00:00

abstract：:Parkinson's disease is associated with altered neural activity in the motor cortex. Chronic high-frequency deep brain stimulation (DBS) of the subthalamic nucleus (STN) is effective in suppressing parkinsonian motor symptoms and modulates cortical activity. However, the anatomical pathways responsible for STN DBS-medi...

journal_title：Journal of neurophysiology

authors： Kumaravelu K,Oza CS,Behrend CE,Grill WM

更新日期：2018-08-01 00:00:00

abstract：:Damage to the cerebellum causes characteristic movement abnormalities but is thought to have minimal impact on somatosensory perception. Traditional clinical assessments of patients with cerebellar lesions reveal no perceptual deficits despite the fact that the cerebellum receives substantial somatosensory information...

journal_title：Journal of neurophysiology

authors： Bhanpuri NH,Okamura AM,Bastian AJ

更新日期：2012-03-01 00:00:00

abstract：:1. We recorded local field potentials in the parafoveal representation in the primary visual cortex of anesthetized and paralyzed macaque monkeys with a multicontact electrode that provided for sampling of neural activity at 16 sites along a vertical penetration. Differential recordings at adjacent contacts were trans...

journal_title：Journal of neurophysiology

authors： Victor JD,Purpura K,Katz E,Mao B

更新日期：1994-11-01 00:00:00

abstract：:1. The induction of long-term weakening of synaptic transmission in rat hippocampal slices was examined in CA1 synapses during cholinergic modulation. 2. Bath application of the cholinergic agonist carbachol (50 microM) activated an oscillation of the local field potential in the theta-frequency range (5-12 Hz), terme...

journal_title：Journal of neurophysiology

authors： Huerta PT,Lisman JE

更新日期：1996-02-01 00:00:00

abstract：:The horizontal angular vestibuloocular reflex (VOR) evoked by high-frequency, high-acceleration rotations was studied in four squirrel monkeys after unilateral labyrinthectomy. Spontaneous nystagmus was measured at the beginning and end of each testing session. During the period that animals were kept in darkness (4 d...

journal_title：Journal of neurophysiology

authors： Lasker DM,Hullar TE,Minor LB

更新日期：2000-05-01 00:00:00

abstract：:Visual input provides vital information for helping us modify our walking pattern. For example, artificial optic flow can drive changes in step length during locomotion and may also be useful for augmenting locomotor training for individuals with gait asymmetries. Here we asked whether optic flow could modify the acqu...

journal_title：Journal of neurophysiology

authors： Finley JM,Statton MA,Bastian AJ

更新日期：2014-03-01 00:00:00

abstract：:The mechanisms and impact of correlated, or synchronous, firing among pairs and groups of neurons are under intense investigation throughout the nervous system. A ubiquitous circuit feature that can give rise to such correlations consists of overlapping, or common, inputs to pairs and populations of cells, leading to ...

journal_title：Journal of neurophysiology

authors： Barreiro AK,Thilo EL,Shea-Brown E

更新日期：2012-09-01 00:00:00

abstract：:In the first visual synapse of the insect compound eye, both the presynaptic and postsynaptic signals are graded, nonspiking changes in membrane voltage. The synapse exhibits tonic transmitter release (even in dark) and strong adaptation to long-lasting light backgrounds, leading to changes also in the dynamics of sig...

journal_title：Journal of neurophysiology

authors： Uusitalo RO,Weckström M

更新日期：2000-04-01 00:00:00